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authorVasily Gorbik <gor@linux.ibm.com>2019-07-14 20:49:26 +0200
committerHeiko Carstens <heiko.carstens@de.ibm.com>2019-07-23 10:46:03 +0200
commit0a5c3c2f47667a14cd1a3127160af709e64e67b2 (patch)
tree3f34d10ee238633b8b864f158e397e965fea6531 /arch/s390
parent5518aed82d2abd97f8d3ec91d8ba455d939e8cd1 (diff)
downloadlinux-0a5c3c2f47667a14cd1a3127160af709e64e67b2.tar.bz2
s390/bitops: make test functions return bool
Make s390/bitops test functions return bool values. That enforces return value range to 0 and 1 and matches with asm-generic/bitops-instrumented.h declarations as well as some other architectures implementations. Signed-off-by: Vasily Gorbik <gor@linux.ibm.com> Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Diffstat (limited to 'arch/s390')
-rw-r--r--arch/s390/include/asm/bitops.h26
1 files changed, 14 insertions, 12 deletions
diff --git a/arch/s390/include/asm/bitops.h b/arch/s390/include/asm/bitops.h
index 9900d655014c..74fafd8baaef 100644
--- a/arch/s390/include/asm/bitops.h
+++ b/arch/s390/include/asm/bitops.h
@@ -35,6 +35,7 @@
#include <linux/typecheck.h>
#include <linux/compiler.h>
+#include <linux/types.h>
#include <asm/atomic_ops.h>
#include <asm/barrier.h>
@@ -118,7 +119,7 @@ static inline void change_bit(unsigned long nr, volatile unsigned long *ptr)
__atomic64_xor(mask, (long *)addr);
}
-static inline int
+static inline bool
test_and_set_bit(unsigned long nr, volatile unsigned long *ptr)
{
unsigned long *addr = __bitops_word(nr, ptr);
@@ -129,7 +130,7 @@ test_and_set_bit(unsigned long nr, volatile unsigned long *ptr)
return (old & mask) != 0;
}
-static inline int
+static inline bool
test_and_clear_bit(unsigned long nr, volatile unsigned long *ptr)
{
unsigned long *addr = __bitops_word(nr, ptr);
@@ -140,7 +141,7 @@ test_and_clear_bit(unsigned long nr, volatile unsigned long *ptr)
return (old & ~mask) != 0;
}
-static inline int
+static inline bool
test_and_change_bit(unsigned long nr, volatile unsigned long *ptr)
{
unsigned long *addr = __bitops_word(nr, ptr);
@@ -173,7 +174,7 @@ static inline void __change_bit(unsigned long nr, volatile unsigned long *ptr)
*addr ^= 1 << (nr & 7);
}
-static inline int
+static inline bool
__test_and_set_bit(unsigned long nr, volatile unsigned long *ptr)
{
unsigned char *addr = __bitops_byte(nr, ptr);
@@ -184,7 +185,7 @@ __test_and_set_bit(unsigned long nr, volatile unsigned long *ptr)
return (ch >> (nr & 7)) & 1;
}
-static inline int
+static inline bool
__test_and_clear_bit(unsigned long nr, volatile unsigned long *ptr)
{
unsigned char *addr = __bitops_byte(nr, ptr);
@@ -195,7 +196,7 @@ __test_and_clear_bit(unsigned long nr, volatile unsigned long *ptr)
return (ch >> (nr & 7)) & 1;
}
-static inline int
+static inline bool
__test_and_change_bit(unsigned long nr, volatile unsigned long *ptr)
{
unsigned char *addr = __bitops_byte(nr, ptr);
@@ -206,7 +207,7 @@ __test_and_change_bit(unsigned long nr, volatile unsigned long *ptr)
return (ch >> (nr & 7)) & 1;
}
-static inline int test_bit(unsigned long nr, const volatile unsigned long *ptr)
+static inline bool test_bit(unsigned long nr, const volatile unsigned long *ptr)
{
const volatile unsigned char *addr;
@@ -215,8 +216,8 @@ static inline int test_bit(unsigned long nr, const volatile unsigned long *ptr)
return (*addr >> (nr & 7)) & 1;
}
-static inline int test_and_set_bit_lock(unsigned long nr,
- volatile unsigned long *ptr)
+static inline bool test_and_set_bit_lock(unsigned long nr,
+ volatile unsigned long *ptr)
{
if (test_bit(nr, ptr))
return 1;
@@ -261,7 +262,8 @@ static inline void clear_bit_inv(unsigned long nr, volatile unsigned long *ptr)
return clear_bit(nr ^ (BITS_PER_LONG - 1), ptr);
}
-static inline int test_and_clear_bit_inv(unsigned long nr, volatile unsigned long *ptr)
+static inline bool test_and_clear_bit_inv(unsigned long nr,
+ volatile unsigned long *ptr)
{
return test_and_clear_bit(nr ^ (BITS_PER_LONG - 1), ptr);
}
@@ -276,8 +278,8 @@ static inline void __clear_bit_inv(unsigned long nr, volatile unsigned long *ptr
return __clear_bit(nr ^ (BITS_PER_LONG - 1), ptr);
}
-static inline int test_bit_inv(unsigned long nr,
- const volatile unsigned long *ptr)
+static inline bool test_bit_inv(unsigned long nr,
+ const volatile unsigned long *ptr)
{
return test_bit(nr ^ (BITS_PER_LONG - 1), ptr);
}